Submarines of the United States Navy are built in classes, using a single design for a number of boats. Minor variations occur as improvements are incorporated into the design, so later boats of a class may be more capable than earlier. Also, boats are modified, sometimes extensively, while in service, creating departures from the class standard. However, in general, all boats of a class are noticeably similar.

Experimental use: an example is , which used an unprecedented hull design. In this list such single boat "classes" are marked with "(unique)".

Pre–World War I

{| class="wikitable sortable" border="1"<!-- class="win="center" |Last comm. !! class="unsortable" width=65% |Notes -->

|+Pre–World War I

!! width=8%|Class name !! width=8%|No. !! width=8%|Laid down !! width=8%|Last comm. !! class="unsortable"|Notes

|-

| || 1 || 1861 || 1862 || First submarine in the U.S. Navy. Purpose was to protect wooden ships against ironclads.

|-

| || 1 || 1896 || 1900 || 5 others were made; only entered the U.S. Navy as it was the first officially commissioned submarine purchased on 11 April 1900.

|-

| || 7 || 1900 || 1903 || Later renamed A class in November 1911, when Navy stopped naming submarines. Essentially enlarged, more powerful Holland.

|-

| Viper || 3 || 1905 || 1907 || Last in series of Holland-like submarines. Later renamed to B class.

|-

| Octopus || 5 || 1905 || 1910 || Designed by Lawrence York Spear. Later renamed to C class.

|-

| Narwhal || 3 || 1908 || 1910 || Later renamed to D class. Designed to survive flooding in one compartment.

|-

| E || 2 || 1909 || 1912 || First US Navy diesel-powered submarine. Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape.

|-

| F || 4 || 1909 || 1913 || In 1920, the class was designated SS-20&ndash;SS-23.

|-

| G || 4 || 1909 || 1914 || Used gasoline engine. set the submerged depth record in 1915, . was given the number 19½ because SS- numbers were given after her decommissioning; she was between SS-19 & SS-20.

|-

| H || 9 || 1911 || 1918 || 3 originally ordered by U.S. Navy. 17 ordered by the Imperial Russian Navy, 11 delivered. Other 6 bought by U.S. Navy. Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape.

|-

| K || 8 || 1912 || 1912 || Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape. , , , were the first U.S. submarines to see action in World War I.

|-

| L || 11 || 1914 || 1918 || The first US submarines with a deck gun. Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape. Designed for coastal defense.

|-

| || 1 || 1914 || 1918 || Double-hull design. Twenty percent larger than the K class. Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape. Considered failure by the submarine community.

|-

| N || 7 || 1915 || 1918 || Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape. Used for coastal patrol.

|-

| O || 16 || 1916 || 1918 || Each cost $550,000. First submarines with reliable diesel engines. Every man had his own berth and locker. Known as "pig boats", or "boats", due to foul living quarters and unusual hull shape. O-11 through O-16 (built by Lake Torpedo Boat Company) also known as the "modified O-class". Modified boats proved to be disappointing and were scrapped in 1930; Lake went out of business in 1925.

|-

| || 3 || 1916 || 1922 || Later renamed T class. Designed for at , but performed at . Prototype "fleet submarines"&mdash;submarines fast enough () to travel with battleships. Twice the size of any concurrent or past U.S. submarine. A poor tandem engine design caused the boats to be decommissioned by 1923 and scrapped in 1930.

|}

World War I

{| class="wikitable sortable" border="1"

|+World War I

!! width=8%|Class name !! width=8%|No. !! width=8%|Laid down !! width=8%|Last comm. !! class="unsortable"|Notes

|-

| R || 20 || 1917 || 1918 || Larger conning tower to serve as commanding officer's battle station. Fired Mark 10 torpedoes and traveled at .

|-

| R-21 || 7 || 1917 || 1919 || Designed by Simon Lake. Generally similar to R class, but smaller and reverted to 18-inch torpedo tubes. Scrapped in 1930; Lake went out of business in 1925.

|-

| S || 51 || 1917 || 1922 || The S class is subdivided into four groups of different designs.

|}

Interwar

{| class="wikitable sortable" border="1"

|+Interwar

!Class name !! No. !! width=151|First ship laid down !! width=178|Last ship commissioned !! class="unsortable"|Notes

|-

| Barracuda || 3 || and<br/><br/>20 October 1921 || <br/>22 May 1926 ||

|-

| || 1 || 1 May 1925 || 2 April 1928 || Unique submarine; mine-laying submarine

|-

| || 2 || <br/>10 May 1927 || <br/>1 July 1930 ||

|-

| || 1 || 14 June 1930 || 1 June 1932 || Unique submarine

|-

| || 2 || <br/>7 October 1931 || <br/>8 June 1934 ||

|-

| Porpoise || 10 || <br/>24 October 1933 || <br/>12 June 1937 ||

|-

| || 6 || <br/>15 April 1936 || <br/>30 June 1938 ||

|-

| || 10 || <br/>12 May 1937 || <br/>1 December 1939 ||

|-

| || 12 || <br/>16 January 1939 || <br/>30 June 1941 ||

|-

| || 2 || <br/>6 October 1939 || <br/>1 August 1941 ||

|-

| || 77 || <br/>11 September 1940 || <br/>21 April 1944 || USS Drum was only boat actually commissioned before US Entry to WWII

|}

World War II

{| class="wikitable sortable" border="1"

|+World War II

!Class name !! width=8%|No. !! width=151|First ship laid down !! width=178|Last ship commissioned !! class="unsortable"|Notes

|-

| || 120 || <br/>31 March 1942 || <br/>1 September 1948 || 62 cancelled

|-

| || 29 || , , , and <br/>8 February 1944 || <br/>10 February 1951 || 51 cancelled

|}

Cold War

Diesel-Electric Submarines (SSs, SSKs, and SSGs)

{| class="wikitable"

|+

! colspan="6" |Class Name

! colspan="2" |No.

! colspan="6" |First boat laid down

! colspan="8" |Last boat commissioned

! colspan="35" |Notes

!Silhouette/Image

|-

| colspan="6" |Barracuda

| colspan="2" |3

| colspan="6" |<br />1 July 1949

| colspan="8" |<br />11 January 1952

| colspan="35" |

|center|frameless

|-

| colspan="6" |

| colspan="2" |6

| colspan="6" |<br />18 April 1949

| colspan="8" |<br />21 November 1952

| colspan="35" |

|frameless

|-

| colspan="6" |

| colspan="2" |2

| colspan="6" |<br />1 July 1954

| colspan="8" |<br />30 August 1958

| colspan="35" |Regulus missile submarines

|frameless|235x235px

|-

| colspan="6" |

| colspan="2" |1

| colspan="6" |10 November 1954

| colspan="8" |20 October 1956

| colspan="35" |Unique submarine

|frameless

|-

| colspan="6" |

| colspan="2" |3

| colspan="6" |<br />18 May 1956

| colspan="8" |<br />15 October 1959

| colspan="35" |First production submarines with teardrop hull.<br />U.S. Navy's last conventionally-powered submarines

|frameless

|}

Nuclear Attack Submarines (SSNs)

{| class="wikitable"

|+

!Class Name

!No.

!First boat laid down

!Last boat commissioned

!Notes

!Silhouette/Image

|-

|Nautilus

|1

|14 June 1952

|30 September 1954

|First nuclear submarine; hull design enlarged from fleet boat

|frameless

|-

|Seawolf

|1

|7 December 1953

|30 March 1957

|Unique submarine; liquid metal cooled (sodium) S2G reactor (replaced with a pressurized-water reactor in 1959)

|frameless|251x251px

|-

|

|4

|<br />21 July 1955

|<br />5 December 1959

|

|frameless|250x250px

|-

|

|6

|<br />29 May 1956

|<br />24 October 1961

|First nuclear submarine class with teardrop hull form. USS Scorpion lost at sea 1968.

|frameless|253x253px

|-

|Thresher/Permit

|14

|<br />28 May 1958

|<br />25 January 1968

|First class with bow sonar sphere. Known as Thresher class until the loss of the in 1963

|frameless|233x233px

|-

|

|1

|26 May 1958

|9 November 1960

|Unique submarine; turbo-electric transmission

|frameless|240x240px

|-

|

|37

|<br />10 August 1963

|<br />16 August 1975

|Redesign of Thresher/Permit class using lessons learned from loss of Thresher.

|frameless|244x244px

|-

|

|1

|17 January 1966

|12 July 1969

|Unique submarine; natural circulation S5G reactor

|frameless|245x245px

|-

|

|1

|5 June 1971

|21 December 1974

|Unique submarine; turbo-electric transmission

|frameless

|-

|

|62

|<br />8 January 1972

|<br />13 September 1996

|

|frameless|242x242px

|-

|

|3

|<br />25 October 1989

|<br />19 February 2005

|Planned successor of Los Angeles class. High costs caused only three to be built.

|frameless

|}

Nuclear Cruise Missile Submarines (SSGNs)

{| class="wikitable"

|+Note: Several boats were converted into cruise missile submarines after construction; the USS Halibut was the only purpose built SSGN of the US Navy

! colspan="5" |Class Name

! colspan="2" |No.

! colspan="7" |First boat laid down

! colspan="9" |Last boat commissioned

! colspan="27" |Notes

!Picture/Silhouette

|-

| colspan="5" |

| colspan="2" |1

| colspan="7" |11 April 1957

| colspan="9" |4 January 1960

| colspan="27" |Unique submarine; Regulus missile submarine

|frameless

|}

Nuclear Ballistic Missile Submarines (SSBNs)

{| class="wikitable"

|+

!Class Name

!No.

!First boat laid down

!Last boat commissioned

!Notes

!Picture/Silhouette

|-

|

|5

|<br />1 November 1957

|<br />11 March 1961

|

|frameless|242x242px

|-

|

|5

|<br />14 September 1959

|<br />4 January 1963

|Ethan Allen was the only SSBN to fire live missile and detonate nuclear warhead at test range proving theory.

|frameless

|-

|

|9

|<br />17 January 1961

|<br />09 April 1964

|

|frameless

|-

|

|10

|<br />6 February 1962

|<br />19 December 1964

|

|frameless

|-

|

|12

|<br />25 May 1963

|<br />1 April 1967

|Redesigned using lessons learned from loss of Thresher.

|frameless

|-

|

|18

|<br />10 April 1976

|<br />6 September 1997

|

|frameless

|}

Deep-submergence vehicles (DSVs)

{| class="wikitable"

|+

!Class Name

!No.

!First boat laid down

!Last boat commissioned

!Notes

!Picture/Silhouette

|-

|Trieste class

|2

|Trieste (DSV-0)<br />1958

|Trieste II (DSV-1)<br />1969

|The Trieste was the first submarine which reached the Challenger Deep by Swiss Jacques Piccard and US Navy Lieutenant Don Walsh in 1960.

|frameless|242x242px

|-

|Alvin class

|4

|Alvin (DSV-2)<br />5 June 1964

|Nemo (DSV-5)<br />1970

|

|frameless|242x242px

|-

|NR-1

|1

|10 June 1967

|27 October 1969

|

|frameless|242x242px

|}

Miscellaneous Submarines (SSTs, SSRs, AGSSs & SSRNs)

{| class="wikitable"

|+

!Class Name

!No.

!First boat laid down

!Last boat commissioned

!Notes

|-

|

|1

|15 March 1952

|6 December 1953

|Unique submarine; teardrop hull form; no weapons

|-

|

|2

|USS T-1, later <br />1 April 1952

|USS T-2, later <br />20 November 1953

|Training and experimental submarines

|-

|

|2

|<br />8 December 1953

|<br />25 August 1956

|Radar picket

|-

|

|1

|29 May 1956

|10 November 1959

|Unique submarine; Radar picket; Twin S4G Nuclear Reactors

|-

|

|1

|9 November 1962

|17 August 1968

|Unique submarine; research and development for deep diving technologies; last operational U.S. Navy diesel-electric submarine; Decommissioned 15 January 2007

|}

Post–Cold War

{| class="wikitable sortable" border="1"

|+Post–Cold War

!width=130|Class name !! width=8%|Number of boats !! width=208|First boat laid down !! width=208|Last boat commissioned !! class="unsortable"|Notes

|-

| || 24 (of 66 planned) || <br/>2 September 1999 || <br>March 28, 2026 || Attack submarine.

|-

| || 12 (planned) || <br>(planned) || || Ballistic missile submarine

|}

See also

  • Submarines in the United States Navy
  • List of submarines of the United States Navy
  • List of Gato class submarines
  • List of Balao class submarines
  • List of Tench class submarines
  • List of Sturgeon class submarines
  • List of Los Angeles class submarines
  • List of most successful American submarines in World War II
  • Allied submarines in the Pacific War
  • List of submarines of the Second World War
  • List of ship classes of the Second World War
  • List of United States Navy ships

References

  • youtube.com USS Holland
  • youtube.com Submarine #1